/*
 * Copyright (c) 2010, German Buela
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * The name of German Buela may not be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY GERMAN BUELA "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL GERMAN BUELA BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.gbuela.winco.view

import org.eclipse.swt.SWT
import org.eclipse.swt.custom._
import org.eclipse.swt.widgets._
import com.gbuela.winco.model._
import com.gbuela.winco.business._

class SwincoTabFolder(mc: Composite, pathResolver: String => String, launcher: PlayerLauncher) 
{
  private var customPlaylistTab: CustomPlaylistView = null
  private var customAlbum = new CustomAlbum(Nil, pathResolver)
  val tabFolder = new CTabFolder(mc, SWT.NONE)
  
  def addTracksToCustomPlaylist(tracks: scala.List[Track], location: String) = {
    customAlbum = customAlbum.addingTracks(tracks, location)
    refreshCustomPlaylistView
  }
  
  def removeTracksFromCustomPlaylist(tracks: scala.List[Track]) = {
    customAlbum = customAlbum.removingTracks(tracks)
    refreshCustomPlaylistView
  }
  
  private def refreshCustomPlaylistView = {
     if(customPlaylistTab == null) {
      customPlaylistTab = new CustomPlaylistView(this, customAlbum, launcher)
    }
    else {
      customPlaylistTab.reset
      customPlaylistTab.setAlbum(customAlbum)
    }   
     customPlaylistTab.redisplay
  }
  
  def customViewOpen =  customPlaylistTab != null && tabFolder.getItems.find(_ .getData.isInstanceOf[CustomAlbum]).isDefined
  def itemCount = tabFolder.getItemCount
  
  private def gotoTabOrOpen(data: Any, open: => Unit) = tabFolder.getItems.find(_.getData == data) match {
      case Some(item) => tabFolder.setSelection(item)
      case None =>  open
  }
  
  def openTab(artist: Artist) =  gotoTabOrOpen(artist, new ArtistView(this, artist, launcher).select)
  def openTab(album: Album) = gotoTabOrOpen(album, new AlbumView(this, album, launcher).select)

}
